STRETCH COTTON: Spun in premium cotton yarns with a hint of stretch for flexible comfort, CK’s signature Carousel Collection is lightweight and naturally breathable. FLEXIBLE WAISTBAND: The soft stretch waistband stays put without pulling and offers excellent shape retention. EASY CARE: Calvin Klein’s womens underwear is entirely machine washable, for easy, stress-free care. CLASSIC BOYSHORT: CK'S logo women's boyshort panties have a full gusset and rear coverage DESIGNED IN THE USA: Calvin Klein underwear is created by its NYC-based global design team using premium imported materials.